Records of the Geological Survey of India, Volume 118, Parts 3-8government of India., 1991 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 8
... older amphibolite to distinguish it from other types which are compa- ratively younger in age . GRANITISED AMPHIBOLITES The felspathisation or migmatisation of the schistose amphibolite ( Older amphibolite ) gave rise to granitised ...
... older amphibolite to distinguish it from other types which are compa- ratively younger in age . GRANITISED AMPHIBOLITES The felspathisation or migmatisation of the schistose amphibolite ( Older amphibolite ) gave rise to granitised ...
Page 10
... older amphibolites resembles both the types of amphibolites in respect of FeO / Fe2O3 ratio . They show wider variation of iron ratios in the host rocks like the Older amphibolites , while higher FeO / Fe2O3 ratios in their hornblendes ...
... older amphibolites resembles both the types of amphibolites in respect of FeO / Fe2O3 ratio . They show wider variation of iron ratios in the host rocks like the Older amphibolites , while higher FeO / Fe2O3 ratios in their hornblendes ...
Page 71
... Older Alluvium It is fossilliferous and is confined to low lying older valley planes . It comprises gray brown calcareous silty sand , clay with fresh water molluscs and ostracodes . The fossils ( Roy , 1978 ) include gastropods ...
... Older Alluvium It is fossilliferous and is confined to low lying older valley planes . It comprises gray brown calcareous silty sand , clay with fresh water molluscs and ostracodes . The fossils ( Roy , 1978 ) include gastropods ...
Contents
Study of TaptapaniChandragiri Shear Zone in Eastern Ghats | 1 |
Chemistry of Hornblendes of the amphibolites from HesatuBelbathan | 7 |
Deformation history of the Precambrian rocks around Tigda | 13 |
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Common terms and phrases
aeolian aerial alluvial amphibolite bands basin belt Bihar biotite channel Charnockite chromite chromitite clay coal field concentration denudational hills deposits developed drainage Duasini environmental erosion FAAS flood plain fluvial folds formation gabbro Ganjam Geol Geological Survey geomorphic GEOMORPHOLOGY gneiss gold grains granite gneiss granitised amphibolite groundwater hornblende INDIA Records Volume iron khondalite Kumari land landform landuse laterite Limonite lineament Manbazar Surface massive amphibolite material ment mineralised minerals mining nala ND ND Noa Dihing Opx cumulate Orissa oxidation parent rocks pediplain plagioclase platinum group ppm ppm ppm Purulia district Quarry quartz quartzite Quaternary Rohtak district Rushikulya river Sambhar Salt Lake samples sandstone schistose schistose amphibolite sediments shear zone slopes soil sq km sqkm structures SUKINDA ULTRAMAFIC Survey of India Taptapani terraces terrain Tetla thickness tion Tirap district trend ultramafic valley varies West Bengal